Redundant, yes, but here's my list to +1:
- 42 All-Time Classics
- Osu! Tatakae! Ouendan!
- Moero! Nekketsu Rhythm Damashii Osu! Tatakae! Ouendan 2
- Tetris DS
- Pokemon Diamond / Pearl
- Big Brain Academy
- Big Brain Academy 2
- Professor Layton and the Curious Village
All of them, I swear...